软件接收机捕获算法研究  

Research on Acquisition Algorithm for Software Receiver

作　　者：关红宾[1] 李晨航[1] 

机构地区：[1]中国电子科技集团公司第二十研究所,西安710068

出　　处：《现代导航》2013年第3期171-176,共6页Modern Navigation

摘　　要：本文阐述了软件接收机信号捕获的基本原理,研究了三种不同的直接扩频系统的捕获算法,设计了每种算法的实现方案,并建立了仿真平台。通过实验和仿真,对每种算法的性能进行了分析和比较,确定了适合于软件接收机的信号快速捕获方案。The paper describes basic principle of signal acquisition by use of software receiver, researches three different types of signal acquisition algorithms on DSSS system, and provides a corresponding implementation method for each algorithm on which creates a simulation platform. Based on the analysis and comparison of each algorithm, the application of a fast acquisition scheme in the software receiver is determined.

关 键 词：软件接收机 捕获算法 仿真 

分 类 号：P228.4[天文地球—大地测量学与测量工程]